Answer:
Does this sample provide convincing evidence that the machine is working properly?
Yes.
Step-by-step explanation:
<u>Normal distribution test:</u>

Where,







Once the significance level was not given, It is usually taken an assumption of a 5% significance level.
Taking the significance level of 5%, which means a confidence level of 95%, we have a z-value of 
Therefore, we <u>fail to reject the null</u>. It means that the hypothesis test is not statistically significant: the average length is not different from 1.5!
Well, since point A represents the center, and B represents a point on the outer line of the circle, segment AB would represent the radius, since the radius represents the length from the center to the outside of a circle
Hope this helps
Answer:
$9802.90
Step-by-step explanation:
$9802.90
Step-by-step explanation:
17.4% = 0.174
So retail price = 8,350 + 8,350 * 0.174
= $9802.90
128 * 9 = 1152
1152/8 = 144
So it can fill 144 cups
Answer:
<h2>245,600,000,000</h2>
Step-by-step explanation:
245 Billion, 600 Million, Thousand, Hundreds
Hope this helps! <3